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Reviews of topical problems


Gravitational microlensing

 a,  b
a Russian Federation State Scientific Center ‘A.I. Alikhanov Institute of Theoretical and Experimental Physics’, ul. Bolshaya Cheremushkinskaya 25, Moscow, 117259, Russian Federation
b Lomonosov Moscow State University, Shternberg State Astronomical Institute, Universitetskii prosp. 13, Moscow, 119889, Russian Federation

The foundations of standard microlensing theory are discussed as applied to stars in the Galactic bulge, Magellanic Clouds or other nearby galaxies and gravitational microlenses assumed to lie in-between these stars and the terrestrial observer. In contrast to the review article by Gurevich et al. [48], microlensing by compact objects is mainly considered. Criteria for the identification of microlensing events are discussed as also are microlensing events not satisfying these criteria, such as non-symmetrical light curves and chromatic and polarization effects. The Large Magellanic Cloud (LMC) and Galactic bulge microlensing data of the MACHO group are discussed in detail and also the LMC data of EROS and the Galactic bulge data of OGLE are presented. A detailed comparison of theoretical predictions and observations is given.

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Fulltext is also available at DOI: 10.1070/PU1998v041n10ABEH000460
PACS: 95.35.+d, 98.35.−a (all)
DOI: 10.1070/PU1998v041n10ABEH000460
URL: https://ufn.ru/en/articles/1998/10/a/
000076871800001
Citation: Zakharov A F, Sazhin M V "Gravitational microlensing" Phys. Usp. 41 945–982 (1998)
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Îðèãèíàë: Çàõàðîâ À Ô, Ñàæèí Ì Â «Ãðàâèòàöèîííîå ìèêðîëèíçèðîâàíèå» ÓÔÍ 168 1041–1082 (1998); DOI: 10.3367/UFNr.0168.199810a.1041

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